43 Merge workbooks

14:08:32 Load MergeBook1 from Xlsx file
14:08:32 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0653 seconds
14:08:32 Load MergeBook2 from Xlsx file
14:08:32 Read Xlsx format from /var/www/milashki-shop.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0035 seconds
14:08:32 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0064 seconds
14:08:32 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0263 seconds
14:08:32 Peak memory usage: 10.25MB